X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8
Temperature 277.0
Details 8% PEG10000, pH 8.0, vapor diffusion, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.35 α = 90
b = 87.91 β = 90
c = 167.08 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2009-06-16
Diffraction Radiation
Monochromator Protocol
Si (111), horizontally focussing SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X13 0.8123 EMBL/DESY, Hamburg X13

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.5 57.17 97.5 0.094 0.094 -- 3.0 -- 18973 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.5 2.64 98.3 0.392 0.392 2.2 3.0 2767

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
FOURIER SYNTHESIS 2.5 38.9 -- 0.0 -- 18971 968 96.69 -- 0.1958 0.192 0.2681 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.5 2.565 -- 72 1317 0.271 0.327 -- 97.89
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.4035
Anisotropic B[1][1] 0.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.29
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 7.598
r_dihedral_angle_2_deg 37.1
r_dihedral_angle_4_deg 20.168
r_gen_planes_refined 0.009
r_angle_refined_deg 1.918
r_mcangle_it 1.667
r_chiral_restr 0.121
r_dihedral_angle_3_deg 19.792
r_bond_refined_d 0.018
r_scangle_it 3.555
r_scbond_it 2.193
r_mcbond_it 0.899
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2827
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 208

Software

Software
Software Name Purpose
MOSFLM data reduction
REFMAC refinement
PDB_EXTRACT data extraction version: 3.11
MAR345dtb data collection
SCALA data scaling